Power transformers are one of the most important components of the electrical power
networks. A wide range of mechanical and electrical stresses in addition to the aging could …

Power system protection and asset management have drawn the attention of researchers for
several decades; but they still suffer from unresolved and challenging technical issues. The …

The transformer is critical equipment in electrical power systems as it is continuously
exposed to various failures. Inter-turns fault in the transformer reduces the turns of the …

Frequency response analysis (FRA) is considered as the most popular and reliable method
to detect mechanical deformations within power transformers. Despite this popularity …

During operation, power transformers are subjected to a variety of electrical and mechanical
stresses, which can result in winding faults. The most common defects in transformers are …

Frequency response analysis (FRA) is mainly used as a tool for detecting mechanical faults
(especially displacement and deformation of windings and core) as well as electrical faults …

In this article, a new testing method for the diagnosis of winding faults based on the resonant
frequency of the transformer is proposed. The system that consists of the high-voltage dc …

Frequency Response Analysis (FRA) is the most reliable technique currently used to
evaluate the mechanical integrity of power transformers. While the measurement devices …

With the expansion of the use of frequency response analysis (FRA) as a reliable tool for
fault detection in transformers, more capabilities of this method are discovered every day. So …

Power transformers are critical components of every power system. They are expensive
apparatuses accounting for a significant portion of the capital investment in the electric …